Home / 77,715.14-116,689.35-44,472.74

Finding the Fourth Proportional to 77,715.14, 116,689.35 and 44,472.74

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Solution

The fourth proportional to 77,715.14, 116,689.35 and 44,472.74 is: 66,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,715.14 : 116,689.35 = 44,472.74 : x
  2. Step 2: Convert to fraction form
    77,715.14/116,689.35 = 44,472.74/x
  3. Step 3: Cross multiply
    77,715.14x = 116,689.35 × 44,472.74
  4. Step 4: Simplify right side
    77,715.14x = 5,189,495,123.32
  5. Step 5: Solve for x
    x = 5,189,495,123.32/77,715.14
  6. Step 6: Final answer
    x = 66,775.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.